Alert archive / Massachusetts / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Massachusetts, 2011
141 severe thunderstorm warnings in 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 141
- Busiest month
- June59 severe thunderstorm warnings
- Busiest day
- June 9, 201131 severe thunderstorm warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 12:31 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 29 min |
| May 7, 1:08 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk | 52 min |
| May 26, 10:44 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 61 min |
| May 26, 11:23 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 67 min |
| May 26, 11:32 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 58 min |
| May 26, 11:48 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 27 min |
| May 27, 12:14 AM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 34 min |
| Jun 1, 8:32 AM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 43 min |
| Jun 1, 2:28 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 62 min |
| Jun 1, 2:37 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 53 min |
| Jun 1, 3:09 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 51 min |
| Jun 1, 3:30 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 30 min |
| Jun 1, 3:32 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 40 min |
| Jun 1, 3:41 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 42 min |
| Jun 1, 4:18 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Worcester | 42 min |
| Jun 1, 4:44 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester | 61 min |
| Jun 1, 5:38 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Worcester | 67 min |
| Jun 1, 5:39 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 66 min |
| Jun 1, 5:54 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 52 min |
| Jun 1, 5:57 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 26 min |
| Jun 1, 6:00 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 45 min |
| Jun 1, 6:44 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 30 min |
| Jun 1, 7:13 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 62 min |
| Jun 1, 7:57 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester | 24 min |
| Jun 1, 8:03 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 27 min |
| Jun 1, 8:10 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Worcester | 44 min |
| Jun 1, 8:22 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 38 min |
| Jun 1, 8:48 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Essex, Middlesex, Norfolk, Plymouth, Suffolk and 1 more | 42 min |
| Jun 1, 8:58 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 32 min |
| Jun 8, 6:07 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 68 min |
| Jun 8, 6:31 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 20 min |
| Jun 8, 6:36 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 54 min |
| Jun 8, 7:31 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 59 min |
| Jun 8, 8:02 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 43 min |
| Jun 8, 8:07 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 38 min |
| Jun 8, 8:12 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 48 min |
| Jun 8, 8:28 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 62 min |
| Jun 8, 8:56 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 49 min |
| Jun 8, 9:42 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 48 min |
| Jun 8, 10:21 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 24 min |
| Jun 8, 10:33 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 42 min |
| Jun 8, 10:52 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Dukes, Plymouth | 38 min |
| Jun 9, 12:21 AM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 42 min |
| Jun 9, 12:37 AM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 38 min |
| Jun 9, 1:04 AM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 41 min |
| Jun 9, 1:40 AM EDT | Severe Thunderstorm Warning | BOX | Bristol | 50 min |
| Jun 9, 2:22 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 23 min |
| Jun 9, 2:42 AM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Dukes, Plymouth | 27 min |
| Jun 9, 9:13 AM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 62 min |
| Jun 9, 10:24 AM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 22 min |
| Jun 9, 2:08 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 67 min |
| Jun 9, 2:55 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 65 min |
| Jun 9, 3:06 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 54 min |
| Jun 9, 3:10 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 50 min |
| Jun 9, 3:43 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 62 min |
| Jun 9, 3:54 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 51 min |
| Jun 9, 3:55 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 65 min |
| Jun 9, 4:00 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 60 min |
| Jun 9, 4:23 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Franklin, Hampshire, Middlesex, Norfolk, Suffolk and 1 more | 67 min |
| Jun 9, 4:54 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Middlesex, Worcester | 54 min |
| Jun 9, 5:24 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 2 more | 66 min |
| Jun 9, 5:52 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 53 min |
| Jun 9, 6:13 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Plymouth | 62 min |
| Jun 9, 6:49 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes, Nantucket | 56 min |
| Jun 28, 11:14 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 61 min |
| Jun 29, 12:14 AM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 46 min |
| Jul 4, 5:54 PM EDT | Severe Thunderstorm Warning | BOX | Essex | 51 min |
| Jul 4, 6:42 PM EDT | Severe Thunderstorm Warning | BOX | Essex | 44 min |
| Jul 6, 4:25 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 45 min |
| Jul 6, 5:35 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 40 min |
| Jul 6, 5:55 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 65 min |
| Jul 6, 6:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 56 min |
| Jul 6, 6:54 PM EDT | Severe Thunderstorm Warning | BOX | Hampshire | 66 min |
| Jul 6, 7:26 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 36 min |
| Jul 6, 7:39 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 66 min |
| Jul 6, 7:59 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 46 min |
| Jul 6, 8:23 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 52 min |
| Jul 8, 5:18 AM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 42 min |
| Jul 8, 6:41 AM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 38 min |
| Jul 8, 7:02 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Worcester | 34 min |
| Jul 8, 8:57 AM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 27 min |
| Jul 13, 6:02 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 43 min |
| Jul 13, 6:21 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 27 min |
| Jul 18, 5:17 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Plymouth | 32 min |
| Jul 23, 10:21 AM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Plymouth | 39 min |
| Jul 23, 10:50 AM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 55 min |
| Jul 23, 11:02 AM EDT | Severe Thunderstorm Warning | BOX | Plymouth | 28 min |
| Jul 23, 1:01 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes | 29 min |
| Jul 23, 1:32 PM EDT | Severe Thunderstorm Warning | BOX | Nantucket | 43 min |
| Jul 26, 2:42 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 63 min |
| Jul 26, 3:13 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 62 min |
| Jul 26, 3:21 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 39 min |
| Jul 26, 4:09 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 66 min |
| Jul 26, 4:15 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 60 min |
| Jul 26, 4:52 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 53 min |
| Jul 26, 5:30 PM EDT | Severe Thunderstorm Warning | BOX | Norfolk, Worcester | 45 min |
| Aug 1, 1:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 19 min |
| Aug 1, 1:55 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 35 min |
| Aug 1, 2:13 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 47 min |
| Aug 1, 2:19 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 41 min |
| Aug 1, 3:05 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 17 min |
| Aug 1, 3:14 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 38 min |
| Aug 1, 3:18 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 42 min |
| Aug 1, 3:30 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 45 min |
| Aug 1, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 49 min |
| Aug 1, 3:59 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 61 min |
| Aug 1, 4:31 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 27 min |
| Aug 1, 4:42 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 63 min |
| Aug 2, 5:16 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable | 29 min |
| Aug 2, 7:13 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable | 20 min |
| Aug 2, 8:46 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes | 29 min |
| Aug 8, 3:40 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Plymouth | 31 min |
| Aug 8, 4:36 PM EDT | Severe Thunderstorm Warning | BOX | Dukes | 24 min |
| Aug 10, 7:04 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Worcester | 41 min |
| Aug 10, 7:39 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 51 min |
| Aug 18, 7:30 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 60 min |
| Aug 19, 2:14 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 46 min |
| Aug 19, 2:27 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 35 min |
| Aug 19, 2:57 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Suffolk | 25 min |
| Aug 19, 3:18 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Suffolk | 27 min |
| Aug 19, 3:18 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 27 min |
| Aug 19, 3:22 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 33 min |
| Aug 19, 3:29 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex | 36 min |
| Aug 19, 3:47 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex, Suffolk | 43 min |
| Aug 19, 3:57 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 23 min |
| Aug 19, 4:01 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 44 min |
| Aug 19, 4:36 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 39 min |
| Aug 19, 4:57 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 63 min |
| Aug 19, 5:07 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 38 min |
| Aug 19, 5:24 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 66 min |
| Aug 19, 5:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 26 min |
| Aug 19, 6:18 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 41 min |
| Aug 20, 12:06 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Plymouth | 39 min |
| Aug 21, 12:57 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 63 min |
| Aug 21, 1:39 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 66 min |
| Aug 21, 1:51 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 54 min |
| Aug 21, 1:59 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 61 min |
| Aug 21, 6:25 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 65 min |
| Aug 21, 7:53 PM EDT | Severe Thunderstorm Warning | BOX | Franklin | 23 min |
| Sep 4, 7:46 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 56 min |
| Sep 29, 4:19 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 56 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.